When you have Mark Shuttleworth as your backer, as commercial Linux distributor Canonical does, it is a bit like having money in the bank when the bank also believes fervently in your cause. It is a rare combination, and one that has allowed the Ubuntu project to reach out from its Linux desktop beginnings into commercial servers - and with the latest releases, cloudy infrastructure - without having the profit pressure that most startups have to deal with as they try to grow.